
Serving Nantucket, MA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Good Service, on time, reasonably priced, professional."


Serving Nantucket, MA and surrounding areas
Approved
In business since 2009
Free estimates
Emergency services offered
"Good Service, on time, reasonably priced, professional."

Serving Nantucket, MA and surrounding areas
Approved
In business since 2000
Free estimates
Customers say: Quick response
"Amazing experience all around. Easy to schedule and to work with, good deal and amazing work installing a tankless water heater. I will definitely call for any future needs."





+3
Serving Nantucket, MA and surrounding areas
Approved
Free estimates
Small jobs welcome
Hello. With 16 years in the HVAC business, I recently decided to start my own company! Well experienced in all things pertaining to mechanical system’s of all kinds. From service, to replacements, to new installs we’ve got you covered! Licensed and insured.
Serving Nantucket, MA and surrounding areas
Approved
Emergency services offered
Small jobs welcome
Looking to get some job going on the side after work or on the weekends.

Serving Nantucket, MA and surrounding areas
In business since 1983
Free estimates
Emergency services offered
"Carl and Henry were fantastic to deal with. Up front and honest. The turn around time from first call to install was beyond fast. The guys removed my old system and installed new. Up and running same day. Friendly courteous guys and cleaned up ! Highly recommended"





+6
Serving Nantucket, MA and surrounding areas
In business since 2017
Free estimates
Emergency services offered
"L and G was incredibly good to work with no surprises quote was fair and work was performed quickly and very professionally. We would recommend L and G to anyone in need of heating and or air conditioning work"





+12

Serving Nantucket, MA and surrounding areas
In business since 2000
Free estimates
Credit card accepted
"It was a little bit confusing for me. I purchased this coupon and this company then charged me another hundred dollars on top of it. It was a little bit difficult for me to look through what I already paid for and what was extra but that wasn't very communicated. That was very confusing as well as not a very good experience. The fellow was friendly. It wasn't very clearly communicated what I had already purchased for with this coupon. They did some work on the ducts here but because of this, it kind of made it a little bit of bad experience but overall, it's an average rating. They should communicate better to me to begin with before they actually show up what was purchased and what additional services that I can buy."

Serving Nantucket, MA and surrounding areas
In business since 2025
Free estimates
Small jobs welcome
"Marty installed two different units, one in my man cave and one in my house. The man cave was a single unit that heats the garage and the man cave The other unit heat for different areas of the house. Marty was able to get into spaces, but I didn’t think anybody would want to go. We’ve had them for two years now and have had no issues whatsoever."

Serving Nantucket, MA and surrounding areas
In business since 2010
Emergency services offered
Credit card accepted
"very professional service and completed in a timely manner"



Serving Nantucket, MA and surrounding areas
In business since 2024
Free estimates
Emergency services offered
"Punctual and professional. All of the work was completed right on schedule. They upgraded my entire home and replaced electrical panel. Definitely hiring again; I have them scheduled to repair the sprinkler system electrical work and the fans in both my bathrooms. The cost was surprisingly affordable! I cannot recommend enough."





+74
Converting from an oil furnace to an electric furnace isn't a simple swap—the oil system needs to be completely removed before installing the electric furnace. You'll need a full electric system installation, but you might be able to reuse existing ductwork if it's up to current safety standards. You’ll need to budget for a new electric furnace installation, which costs between $1,800 and $6,200, including professional removal, proper disposal, and safe installation of the new system.
Electric furnaces are 100% efficient at converting electricity into heat. However, some of that heat can be lost as it travels through your home's ductwork or escapes through poorly insulated areas. That's why regular duct maintenance and proper home insulation are important to maximize your furnace's efficiency and reduce heat loss, ensuring consistent warmth and lower energy costs.
With proper maintenance, an electric furnace can last anywhere from 20 to 30 years, outlasting the average gas furnace's lifespan of 15 to 20 years. To keep your electric furnace running efficiently, schedule regular cleanings, tighten connections, and have inspections done before winter arrives. With routine maintenance, you’ll ensure consistent, safe heating for years to come.
The size of the electric furnace you need depends on factors like your home's square footage, climate, and insulation quality. As a general guideline, those who live in warmer climates should multiply their square footage by 30 to 35 BTUs, while those in cooler areas should multiply it by 50 to 60 BTUs.
Consulting with an HVAC professional can help you determine the exact size that's right for your home.
An electric furnace works by converting electricity into heat using high-resistance heating elements. A blower then pushes the warm air through your home's ductwork, distributing heat evenly throughout your space. Since there's no combustion involved, electric furnaces eliminate the risks associated with gas furnaces and provide consistent, reliable heating when properly installed.
An electric furnace uses between 40 and 80 kilowatts per day to heat your home. The exact amount it uses depends on factors like your home's size, insulation, and overall energy requirements. Larger homes or those with poor insulation use more energy than smaller, well-insulated spaces. A professional furnace assessment can help confirm the ideal unit size for your needs.
From average costs to expert advice, get all the answers you need to get your job done.

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